[1] Univ Iowa, Iowa City, IA USA
[2] Univ Fed Rio de Janeiro, Dept Genet, ECLAMC, Rio De Janeiro, Brazil
[3] Inst Oswaldo Cruz, Dept Genet, ECLAMC, BR-20001 Rio De Janeiro, Brazil
[4] CEMIC, Buenos Aires, DF, Argentina
[5] Univ Pittsburgh, Ctr Craniofacial & Dent Genet, Pittsburgh, PA USA